more

less

equal

none of the above

lesser of 200 mm and 12 t

lesser of 200 mm and 161

lesser of 300 mm and 32 t

lesser of 3 00 mm and 24 t

it is uneconomical

it cannot carry the load safely

it is difficult to connect beams to the round sections

all of the above

zero

10

100

infinity

0.67 L

0.8 L

L

1.5 L